
ResellChecker
Sold comps and trends for resellers, in seconds.
What it does
ResellChecker helps clothing resellers price faster with sold comps from major marketplaces in one workflow. Instead of bouncing between tabs, you can quickly check recent sold listings, review pricing signals, and decide what to list (or skip) with more confidence. This launch is focused on fast comp checks, cleaner sold data, and a simple workflow built for real resellers. I’m looking for honest feedback to shape the next iteration.
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At its core, the $350B resale industry is a messy, unstructured data problem. Resale isn’t a single market — it’s an extremely fragmented ecosystem of global marketplaces (The RealReal, Poshmark, Etsy, eBay, Fashionphile, etc.) and a long tail of independent resellers, social media merchants, and vintage/consignment shops. On both the consumer and enterprise sides, the biggest pain points stem from a lack of unified product schemas and inconsistent condition nomenclature and evaluation standards. We’re building SECONDSENSE to be the operating system for luxury resale, and we just…
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